Title of article :
Synthesis of graphene oxide-TiO2 nanocomposite as an adsorbent for the enrichment and determination of rutin
Author/Authors :
Gaeeni, M. R Photonic Laboratory - Physics Department - Kharazmi University,Tehran , Majles Ara, M.H Photonic Laboratory - Physics Department - Kharazmi University,Tehran , Sasani Ghamsari, M Laser and Optics Research School - Nuclear Science and Technology Research Institute - AEOI - North Karegar, Tehran , Tohidian, M Faculty of Medicine, Tehran University of Medical Sciences, Pour-Sina Ave, Tehran
Pages :
4
From page :
269
To page :
272
Abstract :
Objective(s): In our study, graphene oxide-TiO2 nanocomposite (GO/TiO2) was prepared and used for the enrichment of rutin from real samples for the first time. Materials and Methods: The synthesized GO/TiO2 was characterized by X-ray diffraction, scanning electron microscopy, and FT-IR spectra. The enrichment process is fast and highly efficient. The factors including contact time, pH, and amount of GO/TiO2 affecting the adsorption process were studied. Results: The maximum adsorption capacity for ciprofloxacin was calculated to be 59.5 mg/g according to the Langmuir adsorption isotherm. The method yielded a linear calibration curve in the concentration ranges from 15 to 200μg/L for the rutin with regression coefficients (r2) of 0.9990. The limits of detection (LODs, S/N=3) and limits of quantification (LOQs, S/N=10) were found to be 8 μg/Land 28 μg/L, respectively. Both the intra-day and inter-day precisions (RSDs) were < 10% . Conclusion: The developed approach offered wide linear range, and good reproducibility. Owing to the diverse structures and unique characteristic, GO/TiO2 possesses great potential in the enrichment and analysis of trace rutin in real aqueous samples
Keywords :
Enrichment , GO-TiO2 , Nanocomposite , Rutin
Journal title :
Astroparticle Physics
Serial Year :
2015
Record number :
2446993
Link To Document :
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